For decreasing the leakage and improving the efficiency of the cavity, the self-lubricative seal element is installed in scroll tooth.
为了减少泄漏损失，提高工作腔的工作效率，在涡旋齿端面加由自润滑材料制成的密封条。
2
This experiment investigated the microleakages between secondarily treated inlay and toothcavity walls or between inlay and liner by means of image analysis instrument.
采用图象分析仪观察二期处理光固化复合树脂嵌体与牙窝洞壁间和窝洞底间的密合度。
3
If teeth tooth decay before boring to the dental pulp cavity, because root canal treatment technology was not developed teeth almost to escape the pull of fate.